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Use FwdTrans instead of `FwdTransLocalElmt` for Parareal iteration in time-integration

Issue/feature addressed

Using FwdTrans instead of FwdTransLocalElmt in DoSolve results in improved convergence for the Parareal algorithm

Proposed solution


Convergence with FwdTransLocalElmt L2error Convergence with FwdTrans L2error


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  • [ ] Functions and classes, or changes to them, are documented.
  • [ ] User guide/documentation is updated.
  • Changelog is updated.
  • [ ] Suitable tests added for new functionality.
  • Contributed code is correctly formatted. (See the contributing guidelines).
  • [ ] License added to any new files.
  • No extraneous files have been added (e.g. compiler output or test data files).
Edited by Jacques Xing

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